<?php

namespace Modules\IndustrialEngineering\Support;

use App\Business;
use App\User;

class ActorResolver
{
    public static function id(?int $businessId = null): ?int
    {
        $userId = auth()->id();
        if ($userId && User::where('id', $userId)->exists()) {
            return (int) $userId;
        }

        if ($businessId) {
            $ownerId = Business::where('id', $businessId)->value('owner_id');
            if ($ownerId && User::where('id', $ownerId)->exists()) {
                return (int) $ownerId;
            }
        }

        $fallback = User::orderBy('id')->value('id');

        return $fallback ? (int) $fallback : null;
    }
}